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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_ | |
6 #define CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_ | |
7 | |
8 #include "base/callback_forward.h" | |
9 #include "content/common/geofencing_status.h" | |
10 | |
11 namespace blink { | |
12 struct WebCircularGeofencingRegion; | |
13 }; | |
14 | |
15 namespace content { | |
16 | |
17 class GeofencingProvider { | |
18 public: | |
19 // Callback that gets called on completion of registering a new region. The | |
20 // status indicates success or failure, and in case of success, an id to use | |
21 // to later unregister the region is passed as |registration_id|. If | |
22 // registration failed, the value of |registration_id| is undefined. | |
Michael van Ouwerkerk
2014/10/06 16:43:42
I think it would be clearer to set registration_id
Marijn Kruisselbrink
2014/10/06 19:14:11
Changed the comment to document what value provide
| |
23 typedef base::Callback<void(GeofencingStatus, int registration_id)> | |
24 RegisterCallback; | |
25 | |
26 virtual ~GeofencingProvider() {} | |
27 | |
28 // Called by |GeofencingManager| to register a new fence. GeofencingManager is | |
29 // responsible for handling things like duplicate regions, so platform | |
30 // specific implementations shouldn't have to worry about things like that. | |
31 // Also GeofencingManager should be making sure the total number of geofences | |
Michael van Ouwerkerk
2014/10/06 16:43:42
How would the caller know what the limit of the pl
Marijn Kruisselbrink
2014/10/06 19:14:11
Yes, that's something the provider API will have t
| |
32 // that is registered with the platform specific provider does not exceed the | |
33 // number of regions supported by the platform, although that isn't | |
34 // implemented yet. | |
35 virtual void RegisterRegion(const blink::WebCircularGeofencingRegion& region, | |
36 const RegisterCallback& callback) = 0; | |
37 | |
38 // Called by |GeofencingManager| to unregister an existing registration. Will | |
39 // only be called once for each registration. | |
40 virtual void UnregisterRegion(int registration_id) = 0; | |
41 }; | |
42 | |
43 } // namespace content | |
44 | |
45 #endif // CONTENT_BROWSER_GEOFENCING_GEOFENCING_PROVIDER_H_ | |
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